---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-26-001047"
form_type: "8-K"
ticker: "SCWO"
cik: "0000933972"
company_name: "374Water Inc."
filed_at: "2026-02-09T23:59:59+00:00"
generated_at: "2026-05-16T04:01:24.306675+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# 374Water appoints Stephen McKnight to board; audit committee falls below Nasdaq requirement

## Summary
- Director James Vanderhider resigned Feb 4, 2026 effective immediately; not due to disagreement.
- Vacancy leaves audit committee with 2 members, violating Nasdaq Rule 5605(c)(2)(A); company notified Nasdaq on Feb 9 and has cure period of up to 180 days.
- Stephen McKnight appointed to board Feb 9; has background in real estate and banking; will explore potential financing opportunities (expected aggregate >$120k).
- Appointment made under agreement with shareholder Yaacov Nagar; Amendment No.1 provides for future board candidate replacement.

## SEC filing metadata
- accession: 0001654954-26-001047
- form_type: 8-K
- ticker: SCWO
- cik: 0000933972
- company_name: 374Water Inc.
- filed_at: 2026-02-09T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 3.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/933972/000165495426001047/0001654954-26-001047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/933972/000165495426001047/scwo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-26-001047
- JSON: https://secwatch.observer/filing/0001654954-26-001047.json
- Plain text: https://secwatch.observer/filing/0001654954-26-001047.txt

## Source-grounded claims
- claim_id: 273325ecd4fdfef4c83200d16e50235136acef3a
  claim: 374Water Inc. received a nasdaq noncompliance notice notice regarding audit committee (rules 5605(c)(2)(A), 5605(c)(4)(B)).
  evidence_excerpt: February 9, 2026, the Company notified Nasdaq of its non-compliance with Nasdaq Rule 5605(c)(2)(A) as a result of the Vacancy and its intent to rely on the cure period provided to the Company by Nasdaq Rule 5605(c)(4)(B). The Company intends to appoint to the Audit Committee a third director who satisfies the criteria for service on the Audit Committee by the earliest of (i) Company’s next annual meeting of stockholders and (ii) 180 days after the effectiveness of Mr. Vanderhider’s resignation. 2
  evidence_url: https://www.sec.gov/Archives/edgar/data/933972/000165495426001047/0001654954-26-001047-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.